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Finding the Fourth Proportional to 255,280.74, 382,921.02 and 68,287.38

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Solution

The fourth proportional to 255,280.74, 382,921.02 and 68,287.38 is: 102,431.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,280.74 : 382,921.02 = 68,287.38 : x
  2. Step 2: Convert to fraction form
    255,280.74/382,921.02 = 68,287.38/x
  3. Step 3: Cross multiply
    255,280.74x = 382,921.02 × 68,287.38
  4. Step 4: Simplify right side
    255,280.74x = 26,148,673,202.73
  5. Step 5: Solve for x
    x = 26,148,673,202.73/255,280.74
  6. Step 6: Final answer
    x = 102,431.05

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